Detailed electricity rate data on ZIP Code 21661 in Kent County in the U.S. View various electricity statistics about ZIP Code 21661, which is primarily associated with Rock Hall, MD. Compare residential, industrial and commercial electricity rates in 21661 to those in Maryland and also in the entire U.S. Additionally, view historical data on estimated electricity usage in this Kent County region.
View the charts and tables below for a snapshot of how electricity rates in ZIP Code 21661 (Rock Hall, MD) compare to rates in Maryland and to the U.S. overall.
The average residential electricity rate in ZIP Code 21661 of 11.96¢/kWh is lower than the average residential rate in the state of Maryland overall.
ZIP Code 21661 vs. Maryland
Maryland's average residential electricity rate of 21.4¢/kWh is approximately 79% higher than the 11.96¢/kWh 21661 average rate.
ZIP Code 21661 vs. the U.S.
Additionally, the average residential electricity rate of 18.16¢/kWh in the U.S. overall is an estimated 52% higher than the average residential rate in 21661.
See the table below for a comparison of residential, commercial, and industrial electricity rates in ZIP Code 21661, Maryland, and also in the U.S. as a whole.
| Region | Residential | Commercial | Industrial |
|---|---|---|---|
| ZIP Code 21661 | 11.96¢/kWh | 4.94¢/kWh | 1.58¢/kWh |
| Maryland | 21.4¢/kWh | 17¢/kWh | 12.19¢/kWh |
| United States | 18.16¢/kWh | 14.47¢/kWh | 9.64¢/kWh |
View the charts and tables below for electricity usage estimates and comparisons for ZIP Code 21661. See how this Kent County region compares to other regions in Maryland.
This chart visualized the estimated monthly electricity usage rates in ZIP Code 21661 versus the average electricity usage a ZIP Code in Maryland.
MkWh: Million Kilowatt-hours| Month | ZIP Code 21661 | Average MD ZIP | Maryland |
|---|---|---|---|
| Sep 2025 | 0.78 MkWh | 3.39 MkWh | 2047 MkWh |
| Oct 2025 | 0.62 MkWh | 2.7 MkWh | 1629 MkWh |
| Nov 2025 | 0.74 MkWh | 3.23 MkWh | 1946 MkWh |
| Dec 2025 | 1.14 MkWh | 4.95 MkWh | 2984 MkWh |
| Jan 2026 | 1.25 MkWh | 5.41 MkWh | 3259 MkWh |
| Feb 2026 | 1.11 MkWh | 4.8 MkWh | 2896 MkWh |
| Mar 2026 | 0.83 MkWh | 3.58 MkWh | 2157 MkWh |
| Apr 2026 | 0.67 MkWh | 2.92 MkWh | 1761 MkWh |
| May 2026 | 0.69 MkWh | 2.99 MkWh | 1805 MkWh |
| Jun 2026 | 0.88 MkWh | 3.8 MkWh | 2289 MkWh |
| Jul 2026 | 1.13 MkWh | 4.88 MkWh | 2944 MkWh |
| Aug 2026 | 1.04 MkWh | 4.5 MkWh | 2714 MkWh |
The ZIP Code of 21661 is connected to Rock Hall, MD in Kent County. This Maryland region currently has an approximate population of 2,487 residents and an estimated 1,093 total housing units contributing to overall electricity usage statistics in this locality.
* Local 21661 electricity data referenced here (rates and usage) obtained from loquol.
